<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>Document</title>
        <style>
            .box{
                width:200px;
            }
        </style>
    </head>
    <body>
        <div class="box">
            <img src="http://cdn.xiaohigh.com/logo.png" alt="" />
        </div>

        <div class="box">
            <img width="100%" src="http://cdn.xiaohigh.com/logo@2x.png" alt="" />
        </div>

        <div class="box">
            <img width="100%" src="http://cdn.xiaohigh.com/logo@3x.png" alt="" />
        </div>
    </body>
</html>
